425277672 has 16 divisors (see below), whose sum is σ = 1063194240. Its totient is φ = 141759216.

The previous prime is 425277637. The next prime is 425277673. The reversal of 425277672 is 276772524.

It is a happy number.

It is a super-2 number, since 2×425277672² = 361722196603479168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (425277673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8859928 + ... + 8859975.

It is an arithmetic number, because the mean of its divisors is an integer number (66449640).

Almost surely, 2^425277672 is an apocalyptic number.

It is an amenable number.

425277672 is an abundant number, since it is smaller than the sum of its proper divisors (637916568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425277672 is a wasteful number, since it uses less digits than its factorization.

425277672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17719912 (or 17719908 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 425277672 is about 20622.2615636598. The cubic root of 425277672 is about 752.0110012349.

The spelling of 425277672 in words is "four hundred twenty-five million, two hundred seventy-seven thousand, six hundred seventy-two".